February 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Botulinum toxin type A did not help regrow hair in severe alopecia cases.
June 2024 in “Dermatology and therapy” Intramuscular injections improved hair density more than intradermal injections for treating hair loss.
September 2023 in “JPRAS Open” Botulinum Toxin A may help with hair growth and has some side effects; more research is needed.
1 citations,
March 2012 in “Journal of the American Academy of Dermatology” Botulinum toxin A injections may help treat difficult cases of total hair loss.
3 citations,
January 2022 in “Neurotoxicity Research” Botulinum toxin may help reduce stress-related hair loss.